71389145 is an odd 8-digits composite number following 71389144
and preceding 71389146 . In scientific notation, it is written as 7.1389145 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 56033536 positive integers (up to 71389145) that are relatively prime to 71389145.
71389145 has 8 divisors, whose sum is 87283656
The reverse of 71389145 is 54198317
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-nine thousand one hundred forty-five
Scientific notation
7.1389145 × 10^7
Engineering notation
7.1389145 × 10^6
Prime Factorization
5 × 53 × 269393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71389145
Product of the distinct prime numbers
The prime factorization of 71389145 is 5 × 53 × 269393.
Since it has a total of 3 prime factors.
2 , 8 , 30 , 21 , 238 , 214 , 5485 , 3837 , 26064 , 58770 , 483245 , 397601 , 5813011 , 2126160 , 47370428 , 45197563 , 158915619 , 774258941 , 6631585313 , 7302978819
n×2
142778290
n×3
214167435
n×4
285556580
n×5
356945725
n÷2
35694572.5
n÷3
23796381.666667
n÷3
17847286.25
n÷5
14277829
n2
5096410023831025
n3
3.6382835417073E+23
n4
2.5973395131005E+31
n5
1.8542184711496E+39
2 √n
8449.209726359
3 √n
414.8369127411
4 √n
91.919582931816
5 √n
37.215720905299
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71389144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71389145 can be divided by 8 positive divisors.
The sum of these divisors (counting 71389145) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100111111011001
3
Ternary
11222022221111102
4
Quaternary
10100110333121
5
Quinary
121233423040
6
Senary
11030041145
8
Octal
420247731
10
Decimal
71389145
12
Duodecimal
1baa91b5
16
Hexadecimal
4414fd9
20
Vigesimal
1263ch5
36
Base36
16i47t
md5
3902acd97b78591ffad593d2a4f92b1c
sha1
0c24504a8fb3a2933f1e30c48bc246a8c449bc35
sha256
6605ef1cf90d5342b96706a66a54107ddaea8b4c9d3f86597533816c15397782
sha512
17bd8b8534e1b0710ebba55c9faab067b4fcbb52687503fd4e045a7b1007cf640fda25bc960526c6e6c66641ac556f101ff6ffd358ddf04e41cf5adb54e8924d
ripemd-160
21ee3d939138e75a8063becad839b7f3401c3676
Diameter
142778290
Circumference
448551226.95611
Area
1.6010844290549E+16
Volume
1.5240006461739E+24
Surface area
6.4043377162196E+16
Circumference
448551226.95611
Perimeter
285556580
Area
5096410023831025
Diagonal
100959497.06522
Surface area
30578460142986150
Volume
3.6382835417073E+23
Space diagonal
123649626.2489
Perimeter
214167435
Area
2.2068102743697E+15
Altitude
61824813.124451
Surface area
2.2068102743697E+15
Volume
4.287758273701E+22
Height
33653165.688406